noun
Outer Mongolia
Historical and geographical term for the region that became modern-day Mongolia, often used in contrast to Inner Mongolia (内モンゴル).
外モンゴルは現在のモンゴル国にあたる。
Outer Mongolia corresponds to present-day Mongolia.
Refers to Inner Mongolia, an autonomous region in China, in contrast to Outer Mongolia.
Compound of 外 (そと, 'outside') and モンゴル (Mongolia), calque from Chinese or Manchu terminology distinguishing Outer Mongolia from Inner Mongolia.